zebra/zebra_vrf.h

   1 /*
   2  * Zebra Vrf Header
   3  * Copyright (C) 2016 Cumulus Networks
   4  *                    Donald Sahrp
   5  *
   6  * This file is part of Quagga.
   7  *
   8  * Quagga is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * Quagga is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; see the file COPYING; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22 #if !defined(__ZEBRA_RIB_H__)
  23 #define __ZEBRA_RIB_H__
  24
  25 #include <zebra/zebra_ns.h>
  26
  27 /* MPLS (Segment Routing) global block */
  28 typedef struct mpls_srgb_t_ {
  29         u_int32_t start_label;
  30         u_int32_t end_label;
  31 } mpls_srgb_t;
  32
  33 /* Routing table instance.  */
  34 struct zebra_vrf {
  35         /* Back pointer */
  36         struct vrf *vrf;
  37
  38         /* Description.  */
  39         char *desc;
  40
  41         /* FIB identifier.  */
  42         u_char fib_id;
  43
  44         /* Flags. */
  45         u_int16_t flags;
  46 #define ZEBRA_VRF_RIB_SCHEDULED   (1 << 0)
  47 #define ZEBRA_VRF_RETAIN          (2 << 0)
  48
  49         u_int32_t table_id;
  50
  51         /* Routing table.  */
  52         struct route_table *table[AFI_MAX][SAFI_MAX];
  53
  54         /* Static route configuration.  */
  55         struct route_table *stable[AFI_MAX][SAFI_MAX];
  56
  57         /* Recursive Nexthop table */
  58         struct route_table *rnh_table[AFI_MAX];
  59
  60         /* Import check table (used mostly by BGP */
  61         struct route_table *import_check_table[AFI_MAX];
  62
  63         /* Routing tables off of main table for redistribute table */
  64         struct route_table *other_table[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX];
  65
  66         /* 2nd pointer type used primarily to quell a warning on
  67          * ALL_LIST_ELEMENTS_RO
  68          */
  69         struct list _rid_all_sorted_list;
  70         struct list _rid_lo_sorted_list;
  71         struct list *rid_all_sorted_list;
  72         struct list *rid_lo_sorted_list;
  73         struct prefix rid_user_assigned;
  74
  75         /*
  76          * Back pointer to the owning namespace.
  77          */
  78         struct zebra_ns *zns;
  79
  80         /* MPLS static LSP config table */
  81         struct hash *slsp_table;
  82
  83         /* MPLS label forwarding table */
  84         struct hash *lsp_table;
  85
  86         /* MPLS FEC binding table */
  87         struct route_table *fec_table[AFI_MAX];
  88
  89         /* MPLS Segment Routing Global block */
  90         mpls_srgb_t mpls_srgb;
  91
  92         /* MPLS processing flags */
  93         u_int16_t mpls_flags;
  94 #define MPLS_FLAG_SCHEDULE_LSPS    (1 << 0)
  95
  96         /*
  97          * VNI hash table (for EVPN). Only in default instance.
  98          */
  99         struct hash *vni_table;
 100         /*
 101          * Whether EVPN is enabled or not.
 102          */
 103         int advertise_all_vni;
 104
 105         /* Route Installs */
 106         uint64_t installs;
 107         uint64_t removals;
 108         uint64_t neigh_updates;
 109         uint64_t lsp_installs;
 110         uint64_t lsp_removals;
 111 };
 112
 113 static inline vrf_id_t zvrf_id(struct zebra_vrf *zvrf)
 114 {
 115         return zvrf->vrf->vrf_id;
 116 }
 117
 118 static inline const char *zvrf_name(struct zebra_vrf *zvrf)
 119 {
 120         return zvrf->vrf->name;
 121 }
 122
 123 struct route_table *zebra_vrf_table_with_table_id(afi_t afi, safi_t safi,
 124                                                   vrf_id_t vrf_id,
 125                                                   u_int32_t table_id);
 126
 127 extern void zebra_vrf_update_all(struct zserv *client);
 128 extern struct zebra_vrf *zebra_vrf_lookup_by_id(vrf_id_t vrf_id);
 129 extern struct zebra_vrf *zebra_vrf_lookup_by_name(const char *);
 130 extern struct zebra_vrf *zebra_vrf_alloc(void);
 131 extern struct route_table *zebra_vrf_table(afi_t, safi_t, vrf_id_t);
 132 extern struct route_table *zebra_vrf_static_table(afi_t, safi_t,
 133                                                   struct zebra_vrf *zvrf);
 134 extern struct route_table *
 135 zebra_vrf_other_route_table(afi_t afi, u_int32_t table_id, vrf_id_t vrf_id);
 136 extern void zebra_vrf_init(void);
 137 #endif